LocationAddress: 236 State Route 26, Lacon, Illinois 61540GPS: 40.957268, -89.426996View on MapLocal Directions: Marshall State Fish & Wildlife Area can be reached from I-80 and I-74. If traveling on I-80, take the I-39 exit at LaSalle and go south. Go approximately 25 miles until you reach the Lacon/IL Rt. 17 exit. Go west on Rt. 17 for 20 miles to Lacon where Rt. 17 intersects IL Rt. 26. Head south on Rt. 26 for 5 miles. Brown highway signs will announce the area. If traveling north on I-74, follow IL Rt. 116 (on the east side of the Illinois River, near East Peoria) approximately 5 miles north to IL Rt. 26. Turn left on Rt. 26 and go north for 18 miles. Brown highway signs will announce the area.